Computers and Technology, 15.06.2020 10:57 bellarides
1. Please describe the 3 types of wireless propagation.
2. Please describe the 3 types of signal propagation ranges.
3. Please describe the basic idea of 4 types of channel access
multiplexing methods, as well as the advantages and disadvantages of
each type.
4. Please describe the basic idea of 3 variants of CSMA (Carrier Sense
Multiple Access) according to its persistence in data transmission.
5. Please name the layers in ISO/OSI Network Reference Model.
6. Please elaborate on the Hidden Terminal Problem and Exposed
Terminal Problem in wireless networks.
7. Please describe the working process of MACA (Multiple Access with
Collision Avoidance) mechanism.
8. Please first describe the concepts of proactive and reactive routing for
Ad-hoc networks, and then make a brief comparison between these two kinds of routing mechanisms in terms of overhead, delay and application scenarios.
9. Please briefly describe what are Source Routing and Destination Routing for Ad-hoc networks.
10. Please briefly describe the Route Discovery process in Dynamic Source Routing for wireless networks.
Answers: 2
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1. Please describe the 3 types of wireless propagation.
2. Please describe the 3 types of signal pr...
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